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main.go
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main.go
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/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"context"
"fmt"
"log"
"time"
"github.com/hazelcast/hazelcast-go-client"
"github.com/hazelcast/hazelcast-go-client/logger"
)
const clusterName = "PUT-YOUR-CLUSTER-NAME-HERE!"
const token = "PUT-YOUR-TOKEN-HERE!"
var loggingLevel = logger.WarnLevel
func makeKeyValue(i int) (key string, value string) {
key = fmt.Sprintf("key-%d", i)
value = fmt.Sprintf("value-%d", i)
return
}
func getClient(ctx context.Context) *hazelcast.Client {
config := hazelcast.Config{}
config.Logger.Level = loggingLevel
config.Cluster.Name = clusterName
cc := &config.Cluster.Cloud
cc.Enabled = true
cc.Token = token
client, err := hazelcast.StartNewClientWithConfig(ctx, config)
if err != nil {
log.Fatal(err)
}
return client
}
func main() {
ctx := context.TODO()
client := getClient(ctx)
m, err := client.GetMap(ctx, "sample-map")
if err != nil {
log.Fatal(err)
}
for i := 0; i < 100; i++ {
key, value := makeKeyValue(i)
log.Printf("writing %s=%s", key, value)
if err = m.Set(ctx, key, value); err != nil {
log.Fatal(err)
}
time.Sleep(100 * time.Millisecond)
}
for i := 0; i < 100; i++ {
key, value := makeKeyValue(i)
log.Printf("reading %s", key)
readValue, err := m.Get(ctx, key)
if err != nil {
log.Fatal(err)
}
if value != readValue {
log.Printf("unexpected value: %s != %s", value, readValue)
}
time.Sleep(100 * time.Millisecond)
}
if err = client.Shutdown(ctx); err != nil {
log.Fatal(err)
}
}